ENTRY 21705 20190119 22742170500000001 SUBENT 21705001 20190119 22742170500100001 BIB 10 37 2170500100002 TITLE Energy distributions and absolute yields of the 2170500100003 charged light particles emitted during the thermal 2170500100004 neutron induced ternary fission of U-235 2170500100005 AUTHOR (P.D'Hondt,C.Wagemans,A.Declercq,G.Barreau, 2170500100006 A.Deruytter) 2170500100007 INSTITUTE (2FR ILL) Experimental site, G.B. 2170500100008 (2BLGGHT) P.D.,C.W.,A.D. 2170500100009 (2BLGMOL) C.W. 2170500100010 REFERENCE (J,NP/A,346,461,1980) Main reference 2170500100011 (T,D'Hondt,1981) Final data. Detailed description 2170500100012 of the experiments. (In Dutch). 2170500100013 (C,82ANTWER,,147,1982) Data reviewed. 2170500100014 (S,IAEA-SM-241,210,1979) Paper F38 in the extended 2170500100015 synopses of the Conference on Physics and Chemistry 2170500100016 of Fission, held at Juelich, 1979. 2170500100017 (P,BLG-537,(5-10),1979) Abstract. 2170500100018 FACILITY (REAC,2FR ILL) 87 m curved neutron guide tube at 2170500100019 the high flux reactor of the Institute Laue-Langevin 2170500100020 INC-SOURCE (REAC) The flux is 6.x 10**8 n/cm**2/sec, the Cd-data 2170500100021 is about 10.**6, the direct gamma flux from the 2170500100022 reactor is also reduced by a factor of about 10.**6. 2170500100023 INC-SPECT Thermal Maxwellian neutron spectrum from HFR. 2170500100024 METHOD (EDE) Identification of the charged particles with 2170500100025 E-DE (telescope) detectors. 2170500100026 (PHD) Pulse height discrimination 2170500100027 STATUS (TABLE) Data from Nucl.Phys.,A346(1980)461 and thesis. 2170500100028 HISTORY (19801216C) G.C. 2170500100029 (19830119A) G.C., Updated for the data in 2170500100030 Pierre d'Hondts thesis. 2170500100031 (20051029A) Date and data-headings are corrected - SM 2170500100032 (20180311U) SD: Small correction in ref. 2170500100033 (20190119A) SD: Major correction in several Subents. 2170500100034 Subent 015, 016 deleted (in 015 value obtained from 2170500100035 data taking into account a relative yield of 0.6 % for 2170500100036 the heavier particles from another source; in 016 2170500100037 inverse value was given). Subent 018 deleted (inverse 2170500100038 value given in Subent 013). Subents 019-21 added. 2170500100039 ENDBIB 37 0 2170500100040 COMMON 1 3 2170500100041 EN-DUMMY 2170500100042 EV 2170500100043 2.53E-02 2170500100044 ENDCOMMON 3 0 2170500100045 ENDSUBENT 44 0 2170500199999 SUBENT 21705002 20190119 22742170500200001 BIB 8 32 2170500200002 REACTION 1((92-U-235(N,F)1-H-1,TER,FY,,MXW)/ 2170500200003 (92-U-235(N,F)2-HE-4,TER,FY,,MXW)) 2170500200004 2((92-U-235(N,F)1-H-1,TER,FY,,MXW)/ 2170500200005 (92-U-235(N,F)2-HE-4,TER,FY,,MXW)) 2170500200006 SAMPLE A 199 micro-grams/cm**2 thick U-F(4) layer evaporated 2170500200007 onto a gold foil backing of 2 microns thickness. Its 2170500200008 isotopic enrichment was 99.524%. This sample was an 2170500200009 optimum one for the reduction of the background 2170500200010 from (alpha,p) and (n,p) reactions. 2170500200011 DETECTOR (TELES,SIBAR,SIBAR) A fully depleted dE-detector 2170500200012 with a thickness of 95.6 microns, an active area of 2170500200013 200 mm**2 and an energy resolution of better than 2170500200014 25 keV for 5.5 MeV alphas. The dE-detector was covered2170500200015 with a 20 microns thick Al-foil to stop the alpha 2170500200016 particles from spontaneous decay and the binary 2170500200017 fragments. The E-detector had a thickness of 1500 2170500200018 microns and an energy resolution of 23 keV. 2170500200019 COMMENT The energy distribution of the protons was Gaussian. 2170500200020 The true LRA yield value includes the non Gaussian 2170500200021 alpha particles, probably produced in the 2170500200022 decays of He-6 and He-5. 2170500200023 ANALYSIS 1. This value was obtained using the true LRA-yield, 2170500200024 i.e. From the integration of a non Gaussian energy 2170500200025 distribution. 2170500200026 2. This value was obtained using an extrapolated 2170500200027 incorrect LRA-yield, from the integration of an 2170500200028 extrapolated Gaussian energy distribution. 2170500200029 ERR-ANALYS (ERR-S) Statistical errors only. 2170500200030 STATUS (TABLE) Table 1 from Nucl.Phys.,A346(1980)461 2170500200031 HISTORY (19801217C) G.C. 2170500200032 (20051029U) 'FLAG' to ANALYSIS changed. Pointers given 2170500200033 (20190119U) SD: STATUS, SAMPLE, DETECTOR updated. 2170500200034 ENDBIB 32 0 2170500200035 NOCOMMON 0 0 2170500200036 DATA 4 1 2170500200037 DATA 1ERR-S 1DATA 2ERR-S 2 2170500200038 NO-DIM NO-DIM NO-DIM NO-DIM 2170500200039 9.6E-03 1.E-04 1.02E-02 1.E-04 2170500200040 ENDDATA 3 0 2170500200041 ENDSUBENT 40 0 2170500299999 SUBENT 21705003 20190119 22742170500300001 BIB 8 30 2170500300002 REACTION 1((92-U-235(N,F)1-H-2,TER,FY,,MXW)/ 2170500300003 (92-U-235(N,F)2-HE-4,TER,FY,,MXW)) 2170500300004 2((92-U-235(N,F)1-H-2,TER,FY,,MXW)/ 2170500300005 (92-U-235(N,F)2-HE-4,TER,FY,,MXW)) 2170500300006 SAMPLE A 199 micro-grams/cm**2 thick U-F(4) layer evaporated 2170500300007 onto a gold foil backing of 2 microns thickness. Its 2170500300008 isotopic enrichment was 99.524%. This sample was an 2170500300009 optimum one for the reduction of the background 2170500300010 from (alpha,p) and (n,p) reactions. 2170500300011 DETECTOR (TELES,SIBAR,SIBAR) A fully depleted dE-Detector with 2170500300012 a thickness of 26.7 microns/cm**2, an active area of 2170500300013 300 mm**2, and an energy resolution of about 35 keV. 2170500300014 The E-detector had a thickness of 1500 microns, an 2170500300015 active area of 450 mm**2, and an energy resolution of 2170500300016 25. keV. 2170500300017 COMMENT The energy distribution of the deuterons was Gaussian.2170500300018 The true LRA yield value includes the non Gaussian 2170500300019 alpha particles, probably produced in the 2170500300020 decays of He-6 and He-5. 2170500300021 ANALYSIS 1. This value was obtained using the true LRA-yield, 2170500300022 i.e. From the integration of a non Gaussian energy 2170500300023 distribution. 2170500300024 2. This value was obtained using an extrapolated 2170500300025 incorrect LRA-yield, from the integration of an 2170500300026 extrapolated Gaussian energy distribution. 2170500300027 ERR-ANALYS (ERR-S) Statistical errors only. 2170500300028 STATUS (TABLE) Table 1 from Nucl.Phys.,A346(1980)461 2170500300029 HISTORY (19801217C) G.C. 2170500300030 (20051029U) 'FLAG' to ANALYSIS changed. Pointers given 2170500300031 (20190119U) SD: STATUS, SAMPLE, DETECTOR updated. 2170500300032 ENDBIB 30 0 2170500300033 NOCOMMON 0 0 2170500300034 DATA 4 1 2170500300035 DATA 1ERR-S 1DATA 2ERR-S 2 2170500300036 NO-DIM NO-DIM NO-DIM NO-DIM 2170500300037 5.6E-03 2.E-04 6.E-03 2.E-04 2170500300038 ENDDATA 3 0 2170500300039 ENDSUBENT 38 0 2170500399999 SUBENT 21705004 20190119 22742170500400001 BIB 8 30 2170500400002 REACTION 1((92-U-235(N,F)1-H-3,TER,FY,,MXW)/ 2170500400003 (92-U-235(N,F)2-HE-4,TER,FY,,MXW)) 2170500400004 2((92-U-235(N,F)1-H-3,TER,FY,,MXW)/ 2170500400005 (92-U-235(N,F)2-HE-4,TER,FY,,MXW)) 2170500400006 SAMPLE A 199 micro-grams/cm**2 thick U-F(4) layer evaporated 2170500400007 onto a gold foil backing of 2 microns thickness. Its 2170500400008 isotopic enrichment was 99.524%. This sample was an 2170500400009 optimum one for the reduction of the background 2170500400010 from (alpha,p) and (n,p) reactions. 2170500400011 DETECTOR (TELES,SIBAR,SIBAR) A fully depleted dE-Detector with 2170500400012 a thickness of 26.7 microns/cm**2, an active area of 2170500400013 300 mm**2, and an energy resolution of about 35 keV. 2170500400014 The E-detector had a thickness of 1500 microns, an 2170500400015 active area of 450 mm**2, and an energy resolution of 2170500400016 25. keV. 2170500400017 COMMENT .The energy distribution of the tritons was Gaussian. 2170500400018 .The true LRA yield value includes the non Gaussian 2170500400019 alpha particles, probably produced in the 2170500400020 decays of He-6 and He-5. 2170500400021 ANALYSIS 1. This value was obtained using the true LRA-yield, 2170500400022 i.e. From the integration of a non Gaussian energy 2170500400023 distribution. 2170500400024 2. This value was obtained using an extrapolated 2170500400025 incorrect LRA-yield, from the integration of an 2170500400026 extrapolated Gaussian energy distribution. 2170500400027 ERR-ANALYS (ERR-S) Statistical errors only. 2170500400028 STATUS (TABLE) Table 1 from Nucl.Phys.,A346(1980)461 2170500400029 HISTORY (19801217C) G.C. 2170500400030 (20051029U) 'FLAG' to ANALYSIS changed. Pointers given 2170500400031 (20190119U) SD: STATUS, SAMPLE, DETECTOR updated. 2170500400032 ENDBIB 30 0 2170500400033 NOCOMMON 0 0 2170500400034 DATA 4 1 2170500400035 DATA 1ERR-S 1DATA 2ERR-S 2 2170500400036 NO-DIM NO-DIM NO-DIM NO-DIM 2170500400037 6.27E-02 3.E-04 6.67E-02 4.E-04 2170500400038 ENDDATA 3 0 2170500400039 ENDSUBENT 38 0 2170500499999 SUBENT 21705005 20190119 22742170500500001 BIB 8 31 2170500500002 REACTION 1((92-U-235(N,F)2-HE-6,TER,FY,,MXW)/ 2170500500003 (92-U-235(N,F)2-HE-4,TER,FY,,MXW)) 2170500500004 2((92-U-235(N,F)2-HE-6,TER,FY,,MXW)/ 2170500500005 (92-U-235(N,F)2-HE-4,TER,FY,,MXW)) 2170500500006 SAMPLE .A 3.6 micro-grams/cm**2 U-F(4) layer on a 10 microns 2170500500007 aluminium backing. 2170500500008 DETECTOR (TELES,SIBAR,SIBAR) A 26.7 microns thick dE-detector 2170500500009 (active area 300 mm**2, energy resolution about 2170500500010 35 keV) and a 500 microns thick E-detector (active 2170500500011 area 450 mm**2, energy resolution 40 keV). This 2170500500012 detector assembly was shielded with a 20 microns 2170500500013 thick aluminium foil against binary fragments and 2170500500014 spontaneous decay alphas. 2170500500015 (TELES,SIBAR,SIBAR) An unshielded telescope, 2170500500016 dE-Detector of 33.9 microns, 2170500500017 E-detector 500 microns thick. 2170500500018 COMMENT The He-6 particles have a Gaussian energy distribution2170500500019 The true LRA yield value includes the non Gaussian 2170500500020 alpha particles, probably produced in the 2170500500021 decays of He-6 and He-5. 2170500500022 ANALYSIS 1. This value was obtained using the true LRA-yield, 2170500500023 i.e. from the integration of a non Gaussian energy 2170500500024 distribution. 2170500500025 2. This value was obtained using an extrapolated 2170500500026 incorrect LRA-yield, from the integration of an 2170500500027 extrapolated Gaussian energy distribution. 2170500500028 ERR-ANALYS (ERR-S) Statistical errors only. 2170500500029 STATUS (TABLE) Table 1 from Nucl.Phys.,A346(1980)461 2170500500030 HISTORY (19801217C) G.C. 2170500500031 (20051029U) 'FLAG' to ANALYSIS changed. Pointers given 2170500500032 (20190119U) SD: STATUS, SAMPLE, DETECTOR updated. 2170500500033 ENDBIB 31 0 2170500500034 NOCOMMON 0 0 2170500500035 DATA 4 1 2170500500036 DATA 1ERR-S 1DATA 2ERR-S 2 2170500500037 NO-DIM NO-DIM NO-DIM NO-DIM 2170500500038 1.7E-02 2.E-04 1.81E-02 2.E-04 2170500500039 ENDDATA 3 0 2170500500040 ENDSUBENT 39 0 2170500599999 SUBENT 21705006 20190119 22742170500600001 BIB 7 30 2170500600002 REACTION 1((92-U-235(N,F)2-HE-8,TER,FY,,MXW)/ 2170500600003 (92-U-235(N,F)2-HE-4,TER,FY,,MXW)) 2170500600004 2((92-U-235(N,F)2-HE-8,TER,FY,,MXW)/ 2170500600005 (92-U-235(N,F)2-HE-4,TER,FY,,MXW)) 2170500600006 SAMPLE .A 3.6 micro-grams/cm**2 U-F(4) layer on a 10 microns 2170500600007 aluminium backing. 2170500600008 DETECTOR (TELES,SIBAR,SIBAR) A 26.7 microns thick dE-detector 2170500600009 (active area 300 mm**2, energy resolution about 2170500600010 35 keV) and a 500 microns thick E-detector (active 2170500600011 area 450 mm**2, energy resolution 40 keV). This 2170500600012 detector assembly was shielded with a 20 microns thick2170500600013 aluminium foil against binary fragments and 2170500600014 spontaneous decay alphas. 2170500600015 (TELES,SIBAR,SIBAR) An unshielded telescope, 2170500600016 dE-detector of 33.9 microns, 2170500600017 E-detector 500 microns thick. 2170500600018 COMMENT The value is a strongly extrapolated one. 2170500600019 The true LRA yield value includes the non Gaussian 2170500600020 alpha particles, probably produced in the 2170500600021 decays of He-6 and He-5. 2170500600022 ANALYSIS 1. This value was obtained using the true LRA-yield, 2170500600023 i.e. from the integration of a non Gaussian energy 2170500600024 distribution. 2170500600025 2. This value was obtained using an extrapolated 2170500600026 incorrect LRA-yield, from the integration of an 2170500600027 extrapolated Gaussian energy distribution. 2170500600028 STATUS (TABLE) Table 1 from Nucl.Phys.,A346(1980)461 2170500600029 HISTORY (19801217C) G.C. 2170500600030 (20051029U) 'FLAG' to ANALYSIS changed. Pointers given 2170500600031 (20190119U) SD: STATUS, SAMPLE, DETECTOR updated. 2170500600032 ENDBIB 30 0 2170500600033 NOCOMMON 0 0 2170500600034 DATA 2 1 2170500600035 DATA-APRX 1DATA-APRX 2 2170500600036 NO-DIM NO-DIM 2170500600037 8.E-04 9.E-04 2170500600038 ENDDATA 3 0 2170500600039 ENDSUBENT 38 0 2170500699999 SUBENT 21705007 20190119 22742170500700001 BIB 7 38 2170500700002 REACTION 1((92-U-235(N,F)ELEM,TER,FY,,MXW)/ 2170500700003 (92-U-235(N,F)2-HE-4,TER,FY,,MXW)) Relative 2170500700004 yield of Li and Be particles emitted in ternary 2170500700005 fission. 2170500700006 2((92-U-235(N,F)ELEM,TER,FY,,MXW)/ 2170500700007 (92-U-235(N,F)2-HE-4,TER,FY,,MXW)) Relative 2170500700008 yield of Li and Be particles emitted in ternary 2170500700009 fission. 2170500700010 SAMPLE .A 3.6 micro-grams/cm**2 U-F(4) layer on a 10 microns 2170500700011 aluminium backing. 2170500700012 DETECTOR (TELES,SIBAR,SIBAR) A 26.7 microns thick dE-detector 2170500700013 (active area 300 mm**2, energy resolution about 2170500700014 35 keV) and a 500 microns thick E-detector (active 2170500700015 area 450 mm**2, energy resolution 40 keV). This 2170500700016 detector assembly was shielded with a 20 microns thick2170500700017 aluminium foil against binary fragments and 2170500700018 spontaneous decay alphas. 2170500700019 (TELES,SIBAR,SIBAR) An unshielded telescope, 2170500700020 dE-detector of 33.9 microns, 2170500700021 E-detector 500 microns thick. 2170500700022 COMMENT The values are strongly extrapolated. 2170500700023 The true LRA yield value includes the non Gaussian 2170500700024 alpha particles, probably produced in the 2170500700025 decays of He-6 and He-5. 2170500700026 ANALYSIS 1. This value was obtained using the true LRA-yield, 2170500700027 i.e. from the integration of a non Gaussian energy 2170500700028 distribution. 2170500700029 2. This value was obtained using an extrapolated 2170500700030 incorrect LRA-yield, from the integration of an 2170500700031 extrapolated Gaussian energy distribution. 2170500700032 STATUS (TABLE) Table 1 from Nucl.Phys.,A346(1980)461; 2170500700033 final data from thesis of Pierre D'Hondt. 2170500700034 HISTORY (19801217C) G.C. 2170500700035 (19830119A) G.C., Data updated for thesis of 2170500700036 Pierre D'Hondt. 2170500700037 (20051029U) 'FLAG' to ANALYSIS changed. Pointers given 2170500700038 (20190119A) SD: SF5=CUM -> TER in REACTION codes. 2170500700039 STATUS, SAMPLE, DETECTOR updated. 2170500700040 ENDBIB 38 0 2170500700041 NOCOMMON 0 0 2170500700042 DATA 3 2 2170500700043 ELEMENT DATA-APRX 1DATA-APRX 2 2170500700044 NO-DIM NO-DIM NO-DIM 2170500700045 3. 1.E-03 1.1E-03 2170500700046 4. 3.8E-03 4.2E-03 2170500700047 ENDDATA 4 0 2170500700048 ENDSUBENT 47 0 2170500799999 SUBENT 21705008 20190119 22742170500800001 BIB 8 29 2170500800002 REACTION (92-U-235(N,F)1-H-1,TER,KE,,MXW) Average kinetic 2170500800003 energy of the protons emitted in fission. 2170500800004 SAMPLE A 199 micro-grams/cm**2 thick U-F(4) layer evaporated 2170500800005 onto a gold foil backing of 2 microns thickness. Its 2170500800006 isotopic enrichment was 99.524%. This sample was an 2170500800007 optimum one for the reduction of the background 2170500800008 from (alpha,p) and (n,p) reactions. 2170500800009 DETECTOR (TELES,SIBAR,SIBAR) A fully depleted dE-Detector 2170500800010 with a thickness of 95.6 microns, an active area of 2170500800011 200 mm**2 and an energy resolution of better than 25 2170500800012 keV for 5.5 MeV alphas. The dE-detector was covered 2170500800013 with a 20 microns thick Al-foil to stop the alpha 2170500800014 particles from spontaneous decay and the binary 2170500800015 fragments. The E-detector had a thickness of 1500 2170500800016 microns and an energy resolution of 23 keV. 2170500800017 MISC-COL (MISC) Full width of the particle energy distribution 2170500800018 COMMENT .Detectors energy calibrated using the following alpha 2170500800019 energies, U-234 and U-235 spont. alpha emission, 2170500800020 Nd-142(n,alpha) and Li-6(n,alpha) reactions. 2170500800021 FWHM = 5.9+-0.4 MeV. 2170500800022 ERR-ANALYS (DATA-ERR) No information about source of uncertainties2170500800023 STATUS (TABLE) Table 2 from Nucl.Phys.,A346(1980)461 2170500800024 HISTORY (19801217C) G.C. 2170500800025 (19830119A) G.C., Reaction string corrected, 2170500800026 comment added. 2170500800027 (20051029U) Last checking has been done. 2170500800028 (20190119A) SD: SF4=H-1 added, SF6=AKE -> KE, SF7=P 2170500800029 deleted from REACTION code. STATUS, SAMPLE, DETECTOR 2170500800030 updated. ERR-T -> DATA-ERR. 2170500800031 ENDBIB 29 0 2170500800032 NOCOMMON 0 0 2170500800033 DATA 4 1 2170500800034 DATA DATA-ERR MISC MISC-ERR 2170500800035 MEV MEV MEV MEV 2170500800036 8.9 2.E-01 5.9 0.4 2170500800037 ENDDATA 3 0 2170500800038 ENDSUBENT 37 0 2170500899999 SUBENT 21705009 20190119 22742170500900001 BIB 7 26 2170500900002 REACTION (92-U-235(N,F)1-H-2,TER,KE,,MXW) Kinetic energy 2170500900003 of the deuterons emitted in ternary fission. 2170500900004 SAMPLE A 199 micro-grams/cm**2 thick U-F(4) layer evaporated 2170500900005 onto a gold foil backing of 2 microns thickness. Its 2170500900006 isotopic enrichment was 99.524%. This sample was an 2170500900007 optimum one for the reduction of the background 2170500900008 from (alpha,p) and (n,p) reactions. 2170500900009 DETECTOR (TELES,SIBAR,SIBAR) A fully depleted dE-detector with 2170500900010 a thickness of 26.7 microns/cm**2, an active area of 2170500900011 300 mm**2, and an energy resolution of about 35 keV. 2170500900012 The E-detector had a thickness of 1500 microns, an 2170500900013 active area of 450 mm**2, and an energy resolution of 2170500900014 25. keV. 2170500900015 COMMENT Detectors energy calibrated using the following alpha 2170500900016 energies, U-234 and U-235 spont. alpha emission, 2170500900017 Nd-142(n,alpha) and Li-6(n,alpha) reactions. 2170500900018 FWHM = 6.6+-0.6 MeV. 2170500900019 ERR-ANALYS (DATA-ERR) No information about source of uncertainties2170500900020 STATUS (TABLE) Table 2 from Nucl.Phys.,A346(1980)461 2170500900021 HISTORY (19801217C) G.C. 2170500900022 (19830119A) G.C., Reaction string corrected, 2170500900023 comment added. 2170500900024 (20051029U) Last checking has been done. 2170500900025 (20190119A) SD: SF4=H-2 added, SF6=AKE -> KE, SF7=D 2170500900026 deleted from REACTION code. STATUS, SAMPLE, DETECTOR 2170500900027 updated. ERR-T -> DATA-ERR. 2170500900028 ENDBIB 26 0 2170500900029 NOCOMMON 0 0 2170500900030 DATA 4 1 2170500900031 DATA DATA-ERR MISC MISC-ERR 2170500900032 MEV MEV MEV MEV 2170500900033 7.5 3.E-01 6.6 0.6 2170500900034 ENDDATA 3 0 2170500900035 ENDSUBENT 34 0 2170500999999 SUBENT 21705010 20190119 22742170501000001 BIB 8 28 2170501000002 REACTION (92-U-235(N,F)1-H-3,TER,KE,,MXW) Kinetic energy 2170501000003 of the tritons emitted in ternary fission. 2170501000004 SAMPLE A 199 micro-grams/cm**2 thick U-F(4) layer evaporated 2170501000005 onto a gold foil backing of 2 microns thickness. Its 2170501000006 isotopic enrichment was 99.524%. This sample was an 2170501000007 optimum one for the reduction of the background 2170501000008 from (alpha,p) and (n,p) reactions. 2170501000009 DETECTOR (TELES,SIBAR,SIBAR) A fully depleted dE-detector with 2170501000010 a thickness of 26.7 microns/cm**2, an active area of 2170501000011 300 mm**2, and an energy resolution of about 35 keV. 2170501000012 The E-detector had a thickness of 1500 microns, an 2170501000013 active area of 450 mm**2, and an energy resolution of 2170501000014 25. keV. 2170501000015 MISC-COL (MISC) Full width of the particle energy distribution 2170501000016 COMMENT Detectors energy calibrated using the following alpha 2170501000017 energies, U-234 and U-235 spont. alpha emission, 2170501000018 Nd-142(n,alpha) and Li-6(n,alpha) reactions. 2170501000019 FWHM = 6.7+-0.2 MeV. 2170501000020 ERR-ANALYS (DATA-ERR) No information about source of uncertainties2170501000021 STATUS (TABLE) Table 1 from Nucl.Phys.,A346(1980)461 2170501000022 HISTORY (19801217C) G.C. 2170501000023 (19830119A) G.C., Reaction string corrected, 2170501000024 comment added. 2170501000025 (19830210E) 2170501000026 (20051029U) Last checking has been done. 2170501000027 (20190119A) SD: SF4=H-3 added, SF6=AKE -> KE, SF7=T 2170501000028 deleted from REACTION code. STATUS, SAMPLE, DETECTOR 2170501000029 updated. ERR-T -> DATA-ERR. 2170501000030 ENDBIB 28 0 2170501000031 NOCOMMON 0 0 2170501000032 DATA 4 1 2170501000033 DATA DATA-ERR MISC MISC-ERR 2170501000034 MEV MEV MEV MEV 2170501000035 8.4 1.E-01 6.7 0.2 2170501000036 ENDDATA 3 0 2170501000037 ENDSUBENT 36 0 2170501099999 SUBENT 21705011 20190119 22742170501100001 BIB 8 30 2170501100002 REACTION (92-U-235(N,F)2-HE-4,TER,KE,,MXW) Average kinetic 2170501100003 energy of alpha particles emitted in ternary fission. 2170501100004 SAMPLE .A 3.6 micro-grams/cm**2 U-F(4) layer on a 10 microns 2170501100005 aluminium backing. 2170501100006 DETECTOR (TELES,SIBAR,SIBAR) A 26.7 microns thick dE-detector 2170501100007 (active area 300 mm**2, energy resolution about 2170501100008 35 keV) and a 500 microns thick E-detector (active 2170501100009 area 450 mm**2, energy resolution 40 keV). This 2170501100010 detector assembly was shielded with a 20 microns 2170501100011 thick aluminium foil against binary fragments and 2170501100012 spontaneous decay alphas. 2170501100013 (TELES,SIBAR,SIBAR) An unshielded telescope, 2170501100014 dE-detector of 33.9 microns, 2170501100015 E-detector 500 microns thick. 2170501100016 MISC-COL (MISC) Full width of the particle energy distribution 2170501100017 COMMENT Detectors energy calibrated using the following alpha 2170501100018 energies, U-234 and U-235 spont. alpha emission, 2170501100019 Nd-142(n,alpha) and Li-6(n,alpha) reactions. 2170501100020 FWHM = 9.6 +- 0.2 MeV. 2170501100021 The He-4 particles do not have a Gaussian energy 2170501100022 distribution. 2170501100023 ERR-ANALYS (DATA-ERR) No information about source of uncertainties2170501100024 STATUS (TABLE) Table 1 from Nucl.Phys.,A346(1980)461 2170501100025 HISTORY (19801217C) G.C. 2170501100026 (19830119A) G.C., Reaction string corrected, 2170501100027 comment added. 2170501100028 (20051029U) Last checking has been done. 2170501100029 (20190119A) SD: SF4=He-4 added, SF6=AKE -> KE, SF7=He-42170501100030 deleted from REACTION code. STATUS, SAMPLE, DETECTOR 2170501100031 updated. ERR-T -> DATA-ERR. 2170501100032 ENDBIB 30 0 2170501100033 NOCOMMON 0 0 2170501100034 DATA 4 1 2170501100035 DATA DATA-ERR MISC MISC-ERR 2170501100036 MEV MEV MEV MEV 2170501100037 1.6E+01 1.E-01 9.6 0.2 2170501100038 ENDDATA 3 0 2170501100039 ENDSUBENT 38 0 2170501199999 SUBENT 21705012 20190119 22742170501200001 BIB 8 29 2170501200002 REACTION (92-U-235(N,F)2-HE-6,TER,KE,,MXW) Average kinetic 2170501200003 energy of He-6 particles emitted in ternary fission. 2170501200004 SAMPLE A 3.6 micro-grams/cm**2 U-F(4) layer on a 10 microns 2170501200005 aluminium backing. 2170501200006 DETECTOR (TELES,SIBAR,SIBAR) A 26.7 microns thick dE-detector 2170501200007 (active area 300 mm**2, energy resolution about 2170501200008 35 keV) and a 500 microns thick E-detector (active 2170501200009 area 450 mm**2, energy resolution 40 keV). This 2170501200010 detector assembly was shielded with a 20 microns 2170501200011 thick aluminium foil against binary fragments and 2170501200012 spontaneous decay alphas. 2170501200013 (TELES,SIBAR,SIBAR) An unshielded telescope, 2170501200014 dE-detector of 33.9 microns, 2170501200015 E-detector 500 microns thick. 2170501200016 MISC-COL (MISC) Full width of the particle energy distribution 2170501200017 COMMENT The He-6 particles have a Gaussian energy distribution2170501200018 Detectors energy calibrated using the following alpha 2170501200019 energies, U-234 and U-235 spont. alpha emission, 2170501200020 Nd-142(n,alpha) and Li-6(n,alpha) reactions. 2170501200021 FWHM = 9.2+-0.6 MeV. 2170501200022 ERR-ANALYS (DATA-ERR) No information about source of uncertainties2170501200023 STATUS (TABLE) Table 1 from Nucl.Phys.,A346(1980)461 2170501200024 HISTORY (19801217C) G.C. 2170501200025 (19830119A) G.C., Reaction string corrected, 2170501200026 comment added. 2170501200027 (20051029U) Last checking has been done. 2170501200028 (20190119A) SD: SF4=He-6 added, SF6=AKE -> KE, SF7=He-62170501200029 deleted from REACTION code. STATUS, SAMPLE, DETECTOR 2170501200030 updated. ERR-T -> DATA-ERR. 2170501200031 ENDBIB 29 0 2170501200032 NOCOMMON 0 0 2170501200033 DATA 4 1 2170501200034 DATA DATA-ERR MISC MISC-ERR 2170501200035 MEV MEV MEV MEV 2170501200036 1.22E+01 3.E-01 9.2 0.6 2170501200037 ENDDATA 3 0 2170501200038 ENDSUBENT 37 0 2170501299999 SUBENT 21705013 20190119 22742170501300001 BIB 8 22 2170501300002 REACTION (92-U-235(N,F)2-HE-4,TER,FY,,MXW) 2170501300003 SAMPLE A 3.6 micro-grams/cm2 U-F(4) layer on a 10. microns 2170501300004 thick aluminium backing. 2170501300005 DETECTOR (SOLST) Totally depleted 26.7 microns thick detector. 2170501300006 CORRECTION Since the ternary alpha-particles were detected between2170501300007 6.1 MeV and 28.1 MeV, the measured integrated yield was2170501300008 corrected for the parts of the spectrum above 28.1 MeV 2170501300009 (0.1 %) and between 0. and 6.1 MeV, which corresponds 2170501300010 only to a small fraction of the total yield. This 2170501300011 fraction was calculated based on the results for the 2170501300012 235U(n'th,f) ternary alpha-distribution, which resulted2170501300013 in a correction of + (3.7 +- 1)%. 2170501300014 REL-REF (R,,F.Caitucoli,W,CAITUCOLI,1980) 2170501300015 ERR-ANALYS (DATA-ERR) No information about source of uncertainties2170501300016 STATUS (TABLE) Data from text of Nucl.Phys.,A346(1980)461 2170501300017 HISTORY (19801217C) G.C. 2170501300018 (20051029A) REACTION code corrected, units changed to 2170501300019 NO-DIM 2170501300020 (20190119A) SD: SF4=He-4 added; SF5=TER/BIN -> TER; 2170501300021 SF6=SIG/RAT -> FY; SF7=A deleted in REACTION code. 2170501300022 Values were multiplied by 100 according to the text. 2170501300023 ERR-T -> DATA-ERR; NO-DIM -> PRD/FIS. CORRECTION aded. 2170501300024 ENDBIB 22 0 2170501300025 NOCOMMON 0 0 2170501300026 DATA 2 1 2170501300027 DATA DATA-ERR 2170501300028 PRD/FIS PRD/FIS 2170501300029 1.696E-03 2.7E-05 2170501300030 ENDDATA 3 0 2170501300031 ENDSUBENT 30 0 2170501399999 SUBENT 21705014 20190119 22742170501400001 BIB 5 15 2170501400002 REACTION (92-U-235(N,F)1-H-1,TER,FY,,MXW) 2170501400003 MONITOR (92-U-235(N,F)2-HE-4,TER,FY,,MXW) LRA/B ratio measured 2170501400004 in this work. 2170501400005 COMMENT The monitor value includes the non Gaussian 2170501400006 alpha particles, probably produced in the 2170501400007 decays of He-6 and He-5. 2170501400008 STATUS (TABLE) Data from text of Nucl.Phys.,A346(1980)461 2170501400009 (DEP,21705002) H-1 yield relative to He-4 yield 2170501400010 (DEP,21705013) MONITOR reaction 2170501400011 HISTORY (19801217C) G.C. 2170501400012 (20051029U) Last checking has been done. 2170501400013 (20190119A) SD: SF4=ELEM/MASS -> H-1 in REACTION code; 2170501400014 denominator deleted from REACTION code. SF5=CUM -> TER 2170501400015 in MONITOR reaction code. Part of information moved to 2170501400016 Subents 019-021. 2170501400017 ENDBIB 15 0 2170501400018 NOCOMMON 0 0 2170501400019 DATA 1 1 2170501400020 DATA 2170501400021 PRD/FIS 2170501400022 1.6E-03 2170501400023 ENDDATA 3 0 2170501400024 ENDSUBENT 23 0 2170501499999 NOSUBENT 21705015 20190119 22742170501500001 SUBENT 21705016 20190119 22742170501600001 BIB 7 27 2170501600002 REACTION (92-U-235(N,F)2-HE-8,TER,KE,,MXW) Average kinetic 2170501600003 energy of He-8 particles emitted in ternary fission. 2170501600004 SAMPLE .A 3.6 micro-grams/cm**2 U-F(4) layer on a 10 microns 2170501600005 aluminium backing. 2170501600006 DETECTOR (TELES,SIBAR,SIBAR) A 26.7 microns thick dE-detector 2170501600007 (active area 300 mm**2, energy resolution about 2170501600008 35 keV) and a 500 microns thick E-detector (active 2170501600009 area 450 mm**2, energy resolution 40 keV). This 2170501600010 detector assembly was shielded with a 20 microns 2170501600011 thick aluminium foil against binary fragments and 2170501600012 spontaneous decay alphas. 2170501600013 (TELES,SIBAR,SIBAR) An unshielded telescope, 2170501600014 dE-detector of 33.9 microns, 2170501600015 E-detector 500 microns thick. 2170501600016 COMMENT The He-8 particles have a Gaussian energy distribution2170501600017 Detectors energy calibrated using the following alpha 2170501600018 energies, U-234 and U-235 spont. alpha emission, 2170501600019 Nd-142(n,alpha) and Li-6(n,alpha) reactions. 2170501600020 FWHM = 9.3 MeV. 2170501600021 ERR-ANALYS No error quoted since one of the parameters 2170501600022 of the Gaussian fit was chosen freely. 2170501600023 STATUS (TABLE) Data from table 3.4 of thesis of P.D'Hondt. 2170501600024 HISTORY (19830119C) G.C. 2170501600025 (20051029U) Last checking has been done. 2170501600026 (20190119A) SD: SF4=He-6 added, SF6=AKE -> KE, SF7=LCP 2170501600027 deleted from REACTION code. STATUS, SAMPLE, 2170501600028 DETECTOR updated. 2170501600029 ENDBIB 27 0 2170501600030 NOCOMMON 0 0 2170501600031 DATA 1 1 2170501600032 DATA 2170501600033 MEV 2170501600034 10.5 2170501600035 ENDDATA 3 0 2170501600036 ENDSUBENT 35 0 2170501699999 NOSUBENT 21705017 20190119 22742170501700001 NOSUBENT 21705018 20190119 22742170501800001 SUBENT 21705019 20190119 22742170501900001 BIB 6 11 2170501900002 REACTION (92-U-235(N,F)1-H-2,TER,FY,,MXW) 2170501900003 MONITOR (92-U-235(N,F)2-HE-4,TER,FY,,MXW) LRA/B ratio measured 2170501900004 in this work. 2170501900005 COMMENT The monitor value includes the non Gaussian 2170501900006 alpha particles, probably produced in the 2170501900007 decays of He-6 and He-5. 2170501900008 ERR-ANALYS No information about source of uncertainties 2170501900009 STATUS (TABLE) Data from text of Nucl.Phys.,A346(1980)461 2170501900010 (DEP,21705003) ratio to LRA 2170501900011 (DEP,21705013) MONITOR reaction 2170501900012 HISTORY (19801217T) SD: Part of Subent 014. 2170501900013 ENDBIB 11 0 2170501900014 NOCOMMON 0 0 2170501900015 DATA 1 1 2170501900016 DATA 2170501900017 PRD/FIS 2170501900018 9.E-04 2170501900019 ENDDATA 3 0 2170501900020 ENDSUBENT 19 0 2170501999999 SUBENT 21705020 20190119 22742170502000001 BIB 6 11 2170502000002 REACTION (92-U-235(N,F)1-H-3,TER,FY,,MXW) 2170502000003 MONITOR (92-U-235(N,F)2-HE-4,TER,FY,,MXW) LRA/B ratio measured 2170502000004 in this work. 2170502000005 COMMENT .The monitor value includes the non Gaussian 2170502000006 alpha particles, probably produced in the 2170502000007 decays of He-6 and He-5. 2170502000008 ERR-ANALYS (DATA-ERR) No information about source of uncertainties2170502000009 STATUS (TABLE) Data from text of Nucl.Phys.,A346(1980)461 2170502000010 (DEP,21705004) ratio to LRA 2170502000011 (DEP,21705013) MONITOR reaction 2170502000012 HISTORY (19801217T) SD: Part of Subent 014. 2170502000013 ENDBIB 11 0 2170502000014 NOCOMMON 0 0 2170502000015 DATA 2 1 2170502000016 DATA DATA-ERR 2170502000017 PRD/FIS PRD/FIS 2170502000018 1.06E-02 4.E-03 2170502000019 ENDDATA 3 0 2170502000020 ENDSUBENT 19 0 2170502099999 SUBENT 21705021 20190119 22742170502100001 BIB 5 10 2170502100002 REACTION (92-U-235(N,F)2-HE-6,TER,FY,,MXW) 2170502100003 MONITOR (92-U-235(N,F)2-HE-4,TER,FY,,MXW) LRA/B ratio measured 2170502100004 in this work. 2170502100005 COMMENT .The monitor value includes the non Gaussian 2170502100006 alpha particles, probably produced in the 2170502100007 decays of He-6 and He-5. 2170502100008 STATUS (TABLE) Data from text of Nucl.Phys.,A346(1980)461 2170502100009 (DEP,21705005) ratio to LRA 2170502100010 (DEP,21705013) MONITOR reaction 2170502100011 HISTORY (19801217T) SD: Part of Subent 014. 2170502100012 ENDBIB 10 0 2170502100013 NOCOMMON 0 0 2170502100014 DATA 1 1 2170502100015 DATA 2170502100016 PRD/FIS 2170502100017 2.9E-03 2170502100018 ENDDATA 3 0 2170502100019 ENDSUBENT 18 0 2170502199999 ENDENTRY 21 0 2170599999999